3

4546F–RKE–12/08

T5750

Figure 2-2.

Block Diagram

5

XTAL

Connection for crystal

6

VS

Supply voltage

See ESD protection circuitry (see Figure 4-5 on page 9)

7

GND

Ground

See ESD protection circuitry (see Figure 4-5 on page 9)

8

ENABLE

Enable input

Table 2-1.

Pin Description (Continued)

Pin

Symbol

Function

Configuration

1.5 k

Ω

1.2 k

Ω

182 µA

XTAL

VS

VS

200 k

Ω

ENABLE

T5750

CP

Power up/down

PDF

64

5

6

7

8

4

3

2

XTAL

VS

GND

ENABLE

ANT1

ANT2

PA_ENABLE

CLK

1

f

LF

PA

VCO

PLL

XTO

4

f